Bosch 7 Piece SDS Plus Bulldog Tough Rotary Hammer Drill Bit Set Four Cutter Carbide Tip Concrete Rebar Masonry Precision Anchor Boring Tool Kit DEWALT Top Sellers 856 lbf of impact energy 856 lbf of impact energy at 5 Brand Name: Freud Tools Model Number: 72 202 Tool Accessory Classification: CNC Router Bit Accessory Cutting Diameter (D): 1 4 in Aggressive Four Flute Spiral: High volume chip channels eject pulverized stone dust and rubble instantly to cool the bit and optimize drilling velocities Specification Profile Details Performance Value Brand Name Bosch Model Identification Number HC4CK007 Product Line Array Bulldog™ Tough Series Shank Drive Interface SDS Plus Slotted Universal Quick Change Standard Head Cutter Configuration 4 Cutter Solid Reinforcement Core Breaker Cutting Tip Angle 120 Degrees Flute Type Profile Spiral Continuous High Capacity Number of Flutes 4 Independent Channels Point Style Configuration Anti Walk Center Point Material Composition High Alloy Tool Steel with Solid Tungsten Carbide Tips Primary Application Target Reinforced Poured Concrete